/Engine/Source/Runtime/Experimental/Chaos/Public/GeometryCollection/Facades/CollectionRenderingFacade.h
BuildMeshSections
[TArray](API\Runtime\Core\Containers\TArray)< [FTriangleSection](API\Runtime\Chaos\GeometryCollection\Facades\FRenderingFacade\FTriangleSection) > BuildMeshSections ( const [TArray](API\Runtime\Core\Containers\TArray)< FIntVector > & Indices, [TArray](API\Runtime\Core\Containers\TArray)< int32 > BaseMeshOriginalIndicesIndex, [TArray](API\Runtime\Core\Containers\TArray)< FIntVector > & RetIndices ) const